{
   "epochs": [ {
      "calculation_time": "13366606509007426",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367266192812209",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "FED6768E0F470A90C4FC66ABB669612F0EC4442F7E032691006428299AE211DA",
   "next_scheduled_calculation_time": "13367870992812493"
}
